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Business Segments (Schedule Of Identifiable Assets By Geographic Area, Property, Plant & Equipment, Net By Geographic Area) (Details) - USD ($) $ in Thousands | Dec. 31, 2023 | Dec. 31, 2022
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Segment Reporting Information [Line Items] |  |
Identifiable Assets by Geographic Area, Total | $ 446,461 | $ 542,093
Property, Plant & Equipment, Net by Geographic Area, Total | 183,455 | 186,411
Cash, Cash Equivalents, and Federal Funds Sold | 13,455 | 19,232
Property, Plant & Equipment, Net of Discontinued operations by Geographic Area, Total | 183,455 | 186,411
United States |  |
Segment Reporting Information [Line Items] |  |
Identifiable Assets by Geographic Area, Total | 320,604 | 413,512
Property, Plant & Equipment, Net by Geographic Area, Total | 143,729 | 146,437
General corporate |  |
Segment Reporting Information [Line Items] |  |
Identifiable Assets by Geographic Area, Total | 36,652 | 23,674
Property, Plant & Equipment, Net by Geographic Area, Total | 2,244 | 2,686
Operations Outside The United States | Brazil |  |
Segment Reporting Information [Line Items] |  |
Identifiable Assets by Geographic Area, Total | 65,495 | 72,725
Property, Plant & Equipment, Net by Geographic Area, Total | 28,121 | 25,385
Operations Outside The United States | China |  |
Segment Reporting Information [Line Items] |  |
Identifiable Assets by Geographic Area, Total | 10,255 | 12,950
Property, Plant & Equipment, Net by Geographic Area, Total | $ 9,361 | $ 11,903

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- Definition Amount, net of accumulated depreciation, depletion and amortization, of long-lived physical assets used in the normal conduct of business and not intended for resale. Includes PP&E reclassified to long-term assets for discontinued operations. + References No definition available. + Details
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